Insert the flange (20) in its housing in the fuel tank.
Apply prescribed threadlocker to the screws (9) and tighten to a torque of 6 nm +/- 10% (sect. 3 - 3, Frame torque settings), following the indicated order.

Replacing the tank flange and fuel sensor
Refitting the fuel tankHands free key (hf) not recognised
The activation of this (amber yellow) "warning" indicates that the hands free
system does not detect the active key (1,
fig.62) Near the vehicle.
Note
Check that the active key (a) is near the vehicle (and has not been lost)
or that it works properly.
...
Limited liability
The liability of ducati under this emission control systems
warranty is limited solely to the remedying of defects in
material or workmanship by an authorized ducati motorcycle
dealer at its place of business during customary business
hours. This warranty does not cover inconvenience or l ...
Coolant expansion tank
Plug
Screw
Fuel filler flange
Clip nut
Clamp
Hose clip
Valve/tank hose
Clamp
Screw
Spacer
Rubber mounting
Expansion reservoir
Filler cap
Hose clip
Support
Screw
Washer
Screw
Hose clip
Breather hose
Clamp
Pump/radiator sleeve
Radiator/radiator sleeve ...